JP7148042B2 - 車両用灯具 - Google Patents
車両用灯具 Download PDFInfo
- Publication number
- JP7148042B2 JP7148042B2 JP2018100267A JP2018100267A JP7148042B2 JP 7148042 B2 JP7148042 B2 JP 7148042B2 JP 2018100267 A JP2018100267 A JP 2018100267A JP 2018100267 A JP2018100267 A JP 2018100267A JP 7148042 B2 JP7148042 B2 JP 7148042B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- cut
- light
- cuts
- lens cut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0037—Arrays characterized by the distribution or form of lenses
- G02B3/0056—Arrays characterized by the distribution or form of lenses arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/14—Light emitting diodes [LED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
- G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
- G02B19/0061—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/095—Refractive optical elements
- G02B27/0955—Lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0037—Arrays characterized by the distribution or form of lenses
- G02B3/0062—Stacked lens arrays, i.e. refractive surfaces arranged in at least two planes, without structurally separate optical elements in-between
- G02B3/0068—Stacked lens arrays, i.e. refractive surfaces arranged in at least two planes, without structurally separate optical elements in-between arranged in a single integral body or plate, e.g. laminates or hybrid structures with other optical elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0215—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having a regular structure
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0231—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having microprismatic or micropyramidal shape
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
Claims (6)
- 前面とその反対側の後面とを含む板状のレンズ体と、
前記レンズ体の後方に設けられ、前記レンズ体を透過して前方に照射されて所定配光パターンを形成する均一な輝度の光を発光する光源と、を備え、
前記レンズ体は、上下方向及び左右方向のうち少なくとも一方に湾曲し、車幅方向に延びる基準軸及び鉛直方向に延びる基準軸のうち少なくとも一方に対して所定後退角度傾斜した姿勢で配置されており、
前記前面は、前レンズカットを含み、
前記後面は、前記前レンズカットに対向する後レンズカットを含み、
前記レンズ体には、前記前レンズカットと前記前レンズカットに対向する前記後レンズカットで構成されるレンズカットが複数設けられ、
前記前レンズカットは、前記前面に上下左右にほぼ隙間無く隣接した状態で密に複数配置されており、
前記後レンズカットは、対向する前記前レンズカットに合わせて、前記後面に上下方向および左右方向に隣接した状態で密に複数配置されており、
前記後レンズカットから屈折して前記レンズ体に入光し、前記前レンズカットから出光する前記光源からの光の出力方向が前記複数のレンズカット同士で同一となるように、前記後レンズカットは傾斜した姿勢で配置され、
前記複数の前レンズカットそれぞれから出光する前記光源からの光の輝度が均一となるように、前記後レンズカットから屈折して前記レンズ体に入光し、前記前レンズカットから出光する前記光源からの光が前記レンズ体内を透過する距離である光路長が前記複数のレンズカット同士で同一となるように、前記後レンズカットと対向する前記前レンズカットとの間の距離が前記複数のレンズカットのそれぞれで調整されている
ことを特徴とする車両用灯具。 - 前記複数のレンズカットそれぞれの前記前レンズカットは、同一形状に構成され、かつ、同一方向に向けられている請求項1に記載の車両用灯具。
- 前記複数のレンズカットそれぞれの前記前レンズカットは、当該前レンズカットから出光する前記光源からの光を上下左右に拡散させる拡散面である請求項1又は2に記載の車両用灯具。
- 前記複数のレンズカットそれぞれの前記前レンズカットは、前記光源とは反対側に凸の凸レンズ面である請求項3に記載の車両用灯具。
- 前記前面は、当該前面から光出力方向に突出し、先端に前記前レンズカットが設けられた突出部を含む請求項1又は2に記載の車両用灯具。
- 前記複数のレンズカットそれぞれの前記前レンズカットの外形は、六角形である請求項1から5のいずれか1項に記載の車両用灯具。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018100267A JP7148042B2 (ja) | 2018-05-25 | 2018-05-25 | 車両用灯具 |
EP19176529.6A EP3572847A1 (en) | 2018-05-25 | 2019-05-24 | Vehicular lamp |
US16/423,248 US10718482B2 (en) | 2018-05-25 | 2019-05-28 | Vehicle lamp with plate like lens having front and rear lens cuts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018100267A JP7148042B2 (ja) | 2018-05-25 | 2018-05-25 | 車両用灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019204729A JP2019204729A (ja) | 2019-11-28 |
JP7148042B2 true JP7148042B2 (ja) | 2022-10-05 |
Family
ID=66647303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018100267A Active JP7148042B2 (ja) | 2018-05-25 | 2018-05-25 | 車両用灯具 |
Country Status (3)
Country | Link |
---|---|
US (1) | US10718482B2 (ja) |
EP (1) | EP3572847A1 (ja) |
JP (1) | JP7148042B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11125409B2 (en) * | 2019-12-16 | 2021-09-21 | Valeo North America, Inc. | Image tilt correction system of automotive beam pattern |
KR20210112667A (ko) * | 2020-03-05 | 2021-09-15 | 현대모비스 주식회사 | 자동차용 램프 및 그 램프를 포함하는 자동차 |
TWI781602B (zh) * | 2021-01-08 | 2022-10-21 | 台亞半導體股份有限公司 | Led曲面顯示裝置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010287397A (ja) | 2009-06-10 | 2010-12-24 | Koito Mfg Co Ltd | 車両用灯具 |
JP2011071136A (ja) | 2010-12-21 | 2011-04-07 | Koito Mfg Co Ltd | 車両用灯具 |
US20130322075A1 (en) | 2011-02-11 | 2013-12-05 | Osram Gmbh | Optical component and associated illuminating device |
JP2015138594A (ja) | 2014-01-20 | 2015-07-30 | スタンレー電気株式会社 | 車両用灯具 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1486720A (en) * | 1924-03-11 | Assig-nors to | ||
US1478680A (en) * | 1921-02-08 | 1923-12-25 | Pittsburgh Plate Glass Co | Headlight glass or lens |
JPS5810302U (ja) * | 1981-07-14 | 1983-01-22 | 株式会社小糸製作所 | 車輌灯具用レンズ |
JPH0656903U (ja) | 1993-01-07 | 1994-08-05 | 株式会社小糸製作所 | 車輌用灯具 |
JP2007048470A (ja) * | 2005-08-05 | 2007-02-22 | Koito Mfg Co Ltd | 車両用灯具 |
JP6548887B2 (ja) | 2014-10-24 | 2019-07-24 | スタンレー電気株式会社 | 車両用灯具 |
ES2657457T3 (es) * | 2015-03-12 | 2018-03-05 | Philips Lighting Holding B.V. | Dispositivo de modelado de haz óptico y luz puntual que utilizo el mismo |
DE102016213380A1 (de) * | 2016-07-21 | 2018-01-25 | Osram Gmbh | Optisches element und beleuchtungsvorrichtung |
CN110088115B (zh) | 2016-12-16 | 2024-05-14 | 株式会社半导体能源研究所 | 有机金属配合物、发光元件、发光装置、电子装置及照明装置 |
-
2018
- 2018-05-25 JP JP2018100267A patent/JP7148042B2/ja active Active
-
2019
- 2019-05-24 EP EP19176529.6A patent/EP3572847A1/en not_active Withdrawn
- 2019-05-28 US US16/423,248 patent/US10718482B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010287397A (ja) | 2009-06-10 | 2010-12-24 | Koito Mfg Co Ltd | 車両用灯具 |
JP2011071136A (ja) | 2010-12-21 | 2011-04-07 | Koito Mfg Co Ltd | 車両用灯具 |
US20130322075A1 (en) | 2011-02-11 | 2013-12-05 | Osram Gmbh | Optical component and associated illuminating device |
JP2015138594A (ja) | 2014-01-20 | 2015-07-30 | スタンレー電気株式会社 | 車両用灯具 |
Also Published As
Publication number | Publication date |
---|---|
JP2019204729A (ja) | 2019-11-28 |
US20190360656A1 (en) | 2019-11-28 |
EP3572847A1 (en) | 2019-11-27 |
US10718482B2 (en) | 2020-07-21 |
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